文章编号:1002-7602(2023)05-0077-04轨道车辆粘接结构的强度仿真计算与分析石芳1,孙玮光2,陶春华1(1.中车青岛四方机车车辆股份有限公司,山东青岛266111;2.中车青岛四方车辆研究所有限公司,山东青岛266031)摘要:随着DIN6701标准认证体系在轨道车辆行业的普及,越来越多的车辆部件采用粘接取代以往的铆接、焊接等工艺,关键结构的粘接接头在设计时具有足够的粘接强度对后续运营及修程制定至关重要,而以往的粘接强度计算大多根据标准或采用近似计算来评估,导致粘结强度的计算结果不够精准。文章以标准地铁项目的前窗粘接结构为例,对典型A1级粘接接头进行了有限元分析,通过施加与线路相近的边界载荷及进行多维度的粘接应力、应变评估,验证了粘接结构满足设计要求。文章提供了一种有效、可信的有限元分析方法,为后续施工及安全运营提供了技术保证,同时为行业内粘接强度计算提供了参考。关键词:轨道车辆;前窗粘接结构;粘接强度;粘接接头;有限元分析中图分类号:U270.6文献标志码:Bdoi:10.3969/j.issn.1002-7602.2023.05.013收稿日期:2023-03-06第一作者:石芳(1983—),女,高级工程师。StrengthSimulationCalculationandAnalysisofBondedStructureofRailVehiclesSHIFang1,SUNWeiguang2,TAOChunhua1(1.CRRCQingdaoSifangLocomotive&RollingStockCo.,Ltd.,Qingdao266111,China;2.CRRCQingdaoSifangRollingStockResearchInstituteCo.,Ltd.,Qingdao266031,China)Abstract:WiththepopularizationofDIN6701standardcertificationsysteminrailvehicleindustry,moreandmorevehiclepartsadoptbondinginsteadofthepreviousriveting,weldingandotherprocesses.Thebondedjointsofcriticalstructuresaredesignedwithadequatebondingstrengthsthatarecriticalforsubsequentoperationandrepairprocedures,however,mostofthepreviousbondingstrengthcalculationsareevaluatedaccordingtostandardsorapproximatecalculations,andthecalculationresultsarenotaccurateenough.Thepapertakesthefrontwindowbondedstructureofastandardmetroprojectasanexample,andfiniteelementanalysisonatypicalA1classbondedjointisconductedtoverifywhetherthebondedstructuremeetsthedesignrequirementsbyapplyingboundaryloadssimilartothoseoftherailwaylineandperformingmulti-dimensionalbondingstressandstrainassessment.Thispaperproposesaneffectiveandcrediblefiniteelementanalysism...
